4-63 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Ahmad ibn Idris quoted on the authority of Ahmad ibn Idris quoted Muhammad ibn Ahmad, on the authority of Al-Hassan ibn Ali ibn Abi Uthman, on the authority of Musa al-Marvazy, on the authority of Abul Hassan - the first (Al-Kadhim (MGB)) that God’s Prophet (MGB) said, “There are four acts which corrupt the heart and develop hypocrisy as water helps a tree develop: listening to vain or obscene talk; going to the door of the king’s palace, and going hunting.”